Question

if five side closed figure ABCDE find angle EAB+ angle ABC+ Angle B C D + angle C D E + angle dEA

Answer 1

it will form a pentagon

let the sides be X

sum of all sides of pentagon =540

A+B+C+D+E=540

X+X+X+X+X=540

5X=540

X=540/5

X=18 DEGREES ANS.